This game is also available on 3DO.
Retro Game Cheats for Quarantine (PC Games)
Effect: level 4
Effect: Level 2
Effect: level 6
Effect: Invincible, No Cars, Infinite Weapons
When:
Add the following command-line parameters after the exe file you run to play the game:
-cheater -infinite -nocar -invince
-cheater -infinite -nocar -invince
How:
Then, during gameplay, press Ctrl + Alt + F7 before anyone hits you or you hit anyone.
Submitted By:
Effect: All cars
Effect: level 3
Effect: level 5